Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

This science fair project idea explores whether talking to a plant will help it grow.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Got a young scientist at home? Try this project with him!Create your own molecule design with this home-made clay recipe and some toothpicks!

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Show your teen how to make her own beeswax lip balm. It's one of the simplest do-it-yourself activities, and it's fun to make!

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.